The Pyle PDWM226GR is a portable, universal wireless microphone system with a Uhf band receiver and quad frequency design. It features four handheld microphones (green), each with adjustable frequency controls, allowing you to use multiple microphones at the same time. This system provides broad frequency response, low distortion, and high signal-to-noise ratio for clear and powerful audio. The receiver includes an Lcd screen for easy monitoring, and the system is rack-mountable for convenient installation in professional setups. It s perfect for events, performances, and public speaking.